WO2009066734A1 - 高強度冷延鋼板 - Google Patents

高強度冷延鋼板 Download PDF

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Publication number
WO2009066734A1
WO2009066734A1 PCT/JP2008/071142 JP2008071142W WO2009066734A1 WO 2009066734 A1 WO2009066734 A1 WO 2009066734A1 JP 2008071142 W JP2008071142 W JP 2008071142W WO 2009066734 A1 WO2009066734 A1 WO 2009066734A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
rolled steel
strength cold
tempered martensite
cementite particles
Prior art date
Application number
PCT/JP2008/071142
Other languages
English (en)
French (fr)
Inventor
Toshio Murakami
Hideo Hata
Akira Ibano
Kenji Saito
Original Assignee
Kabushiki Kaisha Kobe Seiko Sho
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007303511A external-priority patent/JP5080215B2/ja
Application filed by Kabushiki Kaisha Kobe Seiko Sho filed Critical Kabushiki Kaisha Kobe Seiko Sho
Priority to EP08851169A priority Critical patent/EP2216422B1/en
Priority to US12/742,323 priority patent/US8679265B2/en
Priority to CN2008801162913A priority patent/CN101861406B/zh
Priority to KR1020107011087A priority patent/KR101126953B1/ko
Publication of WO2009066734A1 publication Critical patent/WO2009066734A1/ja

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/003—Cementite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

　本発明は、伸びと伸びフランジ性をともに高めた、より成形性に優れた高強度冷延鋼板を提供する。本発明に係る高強度冷延鋼板は、Ｃ:０．０３～０．３０質量％、Ｓｉ:０．１～３．０質量％、Ｍｎ:０．１～５．０質量％、Ｐ:０．１質量％以下、Ｓ:０．００５質量％以下、Ｎ:０．０１質量％以下、Ａｌ:０.０１～１．００質量％を含み、残部が鉄および不可避的不純物からなる成分組成を有する。本発明に係る高強度冷延鋼板は、硬さ３００～３８０Ｈｖの焼戻しマルテンサイトを面積率で４０％以上（１００%を含む）含み、残部がフェライトからなる組織を有する。前記焼戻しマルテンサイト中におけるセメンタイト粒子の分布状態は、円相当直径０．０２μｍ以上０．１μｍ未満のセメンタイト粒子が、前記焼戻しマルテンサイト１μｍ２あたり１０個以上で、円相当直径０．１μｍ以上のセメンタイト粒子が、前記焼戻しマルテンサイト１μｍ２あたり３個以下である。
PCT/JP2008/071142 2007-11-22 2008-11-20 高強度冷延鋼板 WO2009066734A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08851169A EP2216422B1 (en) 2007-11-22 2008-11-20 High-strength cold-rolled steel sheet
US12/742,323 US8679265B2 (en) 2007-11-22 2008-11-20 High-strength cold-rolled steel sheet
CN2008801162913A CN101861406B (zh) 2007-11-22 2008-11-20 高强度冷轧钢板
KR1020107011087A KR101126953B1 (ko) 2007-11-22 2008-11-20 고강도 냉연 강판

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-303511 2007-11-22
JP2007303511A JP5080215B2 (ja) 2007-11-22 2007-11-22 等方性と伸びおよび伸びフランジ性に優れた高強度冷延鋼板
JP2007303510 2007-11-22
JP2007-303510 2007-11-22

Publications (1)

Publication Number Publication Date
WO2009066734A1 true WO2009066734A1 (ja) 2009-05-28

Family

ID=40667556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071142 WO2009066734A1 (ja) 2007-11-22 2008-11-20 高強度冷延鋼板

Country Status (5)

Country Link
US (1) US8679265B2 (ja)
EP (2) EP2216422B1 (ja)
KR (1) KR101126953B1 (ja)
CN (1) CN101861406B (ja)
WO (1) WO2009066734A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013089095A1 (ja) * 2011-12-15 2013-06-20 株式会社神戸製鋼所 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
JP2013124399A (ja) * 2011-12-15 2013-06-24 Kobe Steel Ltd 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
JP2013124400A (ja) * 2011-12-15 2013-06-24 Kobe Steel Ltd 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
EP2436794B1 (en) 2009-05-29 2019-04-03 Kabushiki Kaisha Kobe Seiko Sho High strength steel sheet having excellent hydrogen embrittlement resistance

Families Citing this family (26)

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Publication number Priority date Publication date Assignee Title
JP4712882B2 (ja) 2008-07-11 2011-06-29 株式会社神戸製鋼所 耐水素脆化特性および加工性に優れた高強度冷延鋼板
CN102341518B (zh) 2009-04-03 2013-04-10 株式会社神户制钢所 冷轧钢板及其制造方法
JP5671359B2 (ja) 2010-03-24 2015-02-18 株式会社神戸製鋼所 温間加工性に優れた高強度鋼板
JP5662902B2 (ja) 2010-11-18 2015-02-04 株式会社神戸製鋼所 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品
JP5667472B2 (ja) 2011-03-02 2015-02-12 株式会社神戸製鋼所 室温および温間での深絞り性に優れた高強度鋼板およびその温間加工方法
CN103459634B (zh) * 2011-03-29 2015-12-23 杰富意钢铁株式会社 耐应力腐蚀断裂性优异的耐磨损钢板及其制造方法
BR112013025002B1 (pt) * 2011-03-29 2023-09-26 Jfe Steel Corporation Chapa grossa de aço resistente à abrasão e método para produção da mesma
JP5636347B2 (ja) 2011-08-17 2014-12-03 株式会社神戸製鋼所 室温および温間での成形性に優れた高強度鋼板およびその温間成形方法
JP5860308B2 (ja) 2012-02-29 2016-02-16 株式会社神戸製鋼所 温間成形性に優れた高強度鋼板およびその製造方法
JP5860343B2 (ja) * 2012-05-29 2016-02-16 株式会社神戸製鋼所 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
EP3187614A1 (en) 2012-05-31 2017-07-05 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High strength cold-rolled steel sheet and manufacturing method therefor
JP5860354B2 (ja) 2012-07-12 2016-02-16 株式会社神戸製鋼所 降伏強度と成形性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP6017341B2 (ja) * 2013-02-19 2016-10-26 株式会社神戸製鋼所 曲げ性に優れた高強度冷延鋼板
KR101505270B1 (ko) * 2013-03-28 2015-03-23 현대제철 주식회사 냉연강판 및 그 제조방법
WO2017196965A1 (en) 2016-05-10 2017-11-16 United States Steel Corporation High strength steel products and annealing processes for making the same
US11560606B2 (en) 2016-05-10 2023-01-24 United States Steel Corporation Methods of producing continuously cast hot rolled high strength steel sheet products
US11993823B2 (en) 2016-05-10 2024-05-28 United States Steel Corporation High strength annealed steel products and annealing processes for making the same
EP3467135B1 (en) * 2016-08-10 2020-09-23 JFE Steel Corporation Thin steel sheet, and production method therefor
MX2019001828A (es) 2016-08-30 2019-06-06 Jfe Steel Corp Lamina de acero y metodo para la fabricacion de la misma.
EP3543365B1 (en) * 2016-11-16 2021-01-20 JFE Steel Corporation High-strength steel sheet and method for producing same
KR102134310B1 (ko) * 2017-12-26 2020-07-15 주식회사 포스코 플럭스 코어드 와이어용 냉연강판 및 그 제조방법
CN111655893B (zh) * 2018-01-30 2022-05-03 杰富意钢铁株式会社 高碳热轧钢板及其制造方法
CN108315671B (zh) * 2018-05-14 2019-09-17 东北大学 屈服强度1000MPa级低屈强比超高强钢及其制备方法
CN109434569A (zh) * 2018-10-29 2019-03-08 昆山风雷益铝业有限公司 一种超平铝板的生产工艺
CN112695254A (zh) * 2020-10-30 2021-04-23 南京钢铁股份有限公司 一种中锰低镍高性能海洋环境用钢及制备方法
CN114107612B (zh) * 2021-11-30 2023-04-18 马鞍山钢铁股份有限公司 H型钢回火热处理设计方法、抗震耐火建筑结构用热轧h型钢及其回火热处理方法

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JP2004018912A (ja) * 2002-06-14 2004-01-22 Jfe Steel Kk 伸びおよび伸びフランジ性に優れた高張力冷延鋼板およびその製造方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436794B1 (en) 2009-05-29 2019-04-03 Kabushiki Kaisha Kobe Seiko Sho High strength steel sheet having excellent hydrogen embrittlement resistance
WO2013089095A1 (ja) * 2011-12-15 2013-06-20 株式会社神戸製鋼所 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
JP2013124399A (ja) * 2011-12-15 2013-06-24 Kobe Steel Ltd 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
JP2013124400A (ja) * 2011-12-15 2013-06-24 Kobe Steel Ltd 強度および延性のばらつきの小さい高強度冷延鋼板およびその製造方法
US9534279B2 (en) 2011-12-15 2017-01-03 Kobe Steel, Ltd. High-strength cold-rolled steel sheet having small variations in strength and ductility and manufacturing method for the same

Also Published As

Publication number Publication date
KR101126953B1 (ko) 2012-03-22
US20100252147A1 (en) 2010-10-07
US8679265B2 (en) 2014-03-25
EP2455507B1 (en) 2013-06-26
EP2216422A1 (en) 2010-08-11
CN101861406B (zh) 2012-11-21
EP2216422A4 (en) 2011-08-03
EP2455507A1 (en) 2012-05-23
EP2216422B1 (en) 2012-09-12
KR20100070375A (ko) 2010-06-25
CN101861406A (zh) 2010-10-13

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